typedef int PK_BODY_sewing_problem_t;


Enum to indicate type of problem encountered in sewing PK_BODY_sew_bodies

    PK_BODY_sewing_overlapping_c  - found sheets overlapping along given edges
    PK_BODY_sewing_non_manifold_c - more than two sheets meet at given edges
    PK_BODY_sewing_non_oriented_c - sewing given edges would twist sheet once
    PK_BODY_sewing_unspecified_c  - other internal failure encountered